Tire sidewall



FIG. 1 is a side perspective view of a tire sidewall showing my new design;

FIG. 2 is a front elevational view thereof, the opposite side being identical thereto;

FIG. 3 is a fragmentary cross-sectional view taken generally along line 3-3 of FIG. 2;

FIG. 4 is a side elevational view of the right side thereof, the opposite side being identical thereto;

FIG. 5 is an enlarged fragmentary side perspective view thereof, the opposite side being identical thereto; and,

FIG. 6 is an enlarged fragmentary front elevational view thereof.

The broken lines depict environmental subject matter that forms no part of the claimed design. 

The ornamental design for a tire sidewall, as shown and described. 